These fantastically elongated upper tail coverts are raised and fanned in displays to females.

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In between those two, in 1868, Darwin published a 2-volume work, The Variation of Animals and Plants Under Domestication, in which he.

The differences may be extreme, as in the adaptations for sexual selection seen in the exotic plumes. .

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5 shows some examples of secondary sex characteristics produced by sexual selection.

A. Sexual dimorphism can lead to specific behaviors in males that increase their reproductive success. .

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. Ornaments are used in displays to attract mates, which may lead to the.

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Sexual selection can be thought of as two special kinds of natural selection, as described below.

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A. Understanding the evolutionary drivers for this diversity is at the heart of sexual selection research [].

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In both cases, significant energy is spent in the process of locating, attracting, and mating with the sex partner.
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. . Science has historically depicted female animals, including humans, as coy, passive, elusive, noncompetitive and sexually reserved, Footnote 1 in line with societal ideologies about women.

In 1871, when the founder of evolutionary biology, Charles Darwin, presented his theory of sexual selection (the struggle for mates), a theory to explain. When it comes to having intercourse, females roll up their clitoris to give permitted males access to their vagina, which is. . . Figure 45.

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